The Room at the Bottom of the Stairs

From Author Wars - https://authorwars.com/books/the-room-at-the-bottom-of-the-stairs-1366421.html

Overview:

Title: The Room at the Bottom of the Stairs
Author: Robert R. McCammon
Year: 2011
Type: Short Fiction
Series: Michael Gallatin

Variant Titles:

2011. The Room at the Bottom of the Stairs